On Wed, 2009-08-19 at 13:16 +0200, Leon Woestenberg wrote:

Hello,

On Wed, Aug 19, 2009 at 12:53 PM, Alan Cox[off-list ref] wrote:

quoted

On Wed, 19 Aug 2009 10:38:06 +0100

in drivers because there is driver code that uses spin_is_locked() in
fairly sensible fashion when dealing with locking.

One use is to measure lock contention hits on a particular spin lock.


However I wonder if there are tracing capabilities to measure lock
contention on a particular lock?

lock_stat no good for you?